| Value | Category | Cases | |
|---|---|---|---|
| 0 | No credit | 41666 |
10.4%
|
| 1 | Partial credit | 17418 |
4.4%
|
| 2 | Full credit | 33574 |
8.4%
|
| 7 | N/A | 278300 |
69.8%
|
| 9 | Missing | 24493 |
6.1%
|
| r | Not reached | 3299 |
0.8%
|